Geometry in nature // Fibonacci sequence// Golden Ratio // Phi point // The same ratio Vitruvius saw in the human body – 1 to PHI (1.618) – exists in every part of nature, from swimming fish to swirling planets. This divine ratio, or divine proportion, has been called the building block of all life.
How Fibonacci Numbers are Expressed in Nature (Video)
Ammonites are perhaps the most widely known fossil, possessing the typically ribbed spiral-form shell as pictured above. These creatures lived in the seas between 240 - 65 million years ago, when they became extinct along with the dinosaurs.